|#|Date|Opponent|Score|Result|Competition|
|---|---|---|---|---|---|
|1|1988|Indonesia|4-0|Won|1988 AFC U-17 Championship Group Stages|
|2|1988|South Korea|6-1|Won|1988 AFC U-17 Championship Group Stages|
|3|1988|South Korea|6-1|Won|1988 AFC U-17 Championship Group Stages|
|4|1988|South Korea|6-1|Won|1988 AFC U-17 Championship Group Stages|
|5|1988|South Korea|6-1|Won|1988 AFC U-17 Championship Group Stages|
|6|1988|Iraq|2-1|Won|1988 AFC U-17 Championship Semifinals|
|7|1988|Bahrain|2-0|Won|1988 AFC U-17 Championship Final|
|8|1988|Bahrain|2-0|Won|1988 AFC U-17 Championship Final|
|9|June 12, 1989|Guinea|2-2|Draw|1989 FIFA U-16 World Championship Group Stages|
|10|June 12, 1989|Colombia|1-0|Won|1989 FIFA U-16 World Championship Group Stages|
|11|June 12, 1989|Bahrain|1-0|Won|1989 FIFA U-16 World Championship Semifinals|
|12|February 22, 1989|Portugal|3-0|Won|1989 FIFA World Youth Championship Group Stages|
|13|1989|Kuwait|1-0|Won|1989 Palestine Cup of Nations for Youth Group Stages|
|14|1989|Bahrain|1-1(4-3)|Lost|1989 Palestine Cup of Nations for Youth Third Place|

Question: how many times was south korea the consecutive opponent?
Answer: 4